Lock and unlock VM deletion
The deletion lock feature protects important virtual machines from accidental deletion — reducing the risk of data loss caused by operator error.
Lock VM deletion (Lock Deletion)
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In Instance Management, select the virtual machine, then click Actions → Lock Deletion.

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A confirmation dialog displays the virtual machine name. Click Lock Instance Deletion to confirm.

The virtual machine cannot be deleted until it is unlocked.
Unlock VM deletion (Unlock Deletion)
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In Instance Management, select the virtual machine, then click Actions → Unlock Deletion.

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A confirmation dialog displays the virtual machine name. Click Unlock Instance Deletion to confirm.

The virtual machine is now unlocked and can be deleted normally.